<html> <blockquote type=cite class=cite cite>Hi Wim,</blockquote>                  We have checked back on the agraffes that were done 8 months ago, and there is no signs of any tarnish, or pitting.  I still stand by what I said previously, nicest looking agraffes to date. Rinsing well in water, plus burnishing with 0000 steel wool, removes all trace of the chemicals. ( think.) The safety points you raise are valid, but we use a lot of nasty chems in our job, so caution and common sense is needed for all of them Regards Roger. <blockquote type=cite class=cite cite>  Actually, the medical warnings not withstanding, since I am working outdoors, and I will wear plastic gloves, I am more concerned about the effect of TarnX on the brass. If I do use it, will it eat it, or pit it, or will I get good results? Wim </blockquote> </html>